#1 expound v. [elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, dilate] add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation". wn
#2 expound v. [set forth, exposit] state; "set forth one's reasons". wn
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